Finding the Fourth Proportional to 496,409,519.99, 685,036,780.44 and 273,411,968.39
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Solution
The fourth proportional to 496,409,519.99, 685,036,780.44 and 273,411,968.39 is: 377,303,913.43
Step by Step Solution
- Step 1: Write the proportion equation
496,409,519.99 : 685,036,780.44 = 273,411,968.39 : x - Step 2: Convert to fraction form
496,409,519.99/685,036,780.44 = 273,411,968.39/x - Step 3: Cross multiply
496,409,519.99x = 685,036,780.44 × 273,411,968.39 - Step 4: Simplify right side
496,409,519.99x = 187,297,254,556,223,488 - Step 5: Solve for x
x = 187,297,254,556,223,488/496,409,519.99 - Step 6: Final answer
x = 377,303,913.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.